CA2305730A1 - Modification de la geometrie d'attache des valves d'une valvule cardiaque de sorte que l'emplacement et l'ampleur de la contrainte maximum appliquee sur les valves soient influences - Google Patents

Modification de la geometrie d'attache des valves d'une valvule cardiaque de sorte que l'emplacement et l'ampleur de la contrainte maximum appliquee sur les valves soient influences Download PDF

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Publication number
CA2305730A1
CA2305730A1 CA002305730A CA2305730A CA2305730A1 CA 2305730 A1 CA2305730 A1 CA 2305730A1 CA 002305730 A CA002305730 A CA 002305730A CA 2305730 A CA2305730 A CA 2305730A CA 2305730 A1 CA2305730 A1 CA 2305730A1
Authority
CA
Canada
Prior art keywords
leaflet
valve
point
attachment curve
curve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002305730A
Other languages
English (en)
Inventor
Riyad E. Moe
John Kenneth Ryder
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Carbomedics Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2305730A1 publication Critical patent/CA2305730A1/fr
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
    • A61F2/2412—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body with soft flexible valve members, e.g. tissue valves shaped like natural valves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
    • A61F2/2412—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body with soft flexible valve members, e.g. tissue valves shaped like natural valves
    • A61F2/2415—Manufacturing methods

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Transplantation (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

On améliore la durabilité de valvules à trois valves en éloignant le point de contrainte maximum appliquée sur le bord libre (18) de la valve (14), de l'emplacement des facteurs d'augmentation de la contrainte. On déplace le point de contrainte maximum appliquée, en modifiant la géométrie de la courbe d'attache (16) entre la valve (14) et le corps de valvule (12). On modifie la géométrie de la courbe d'attache (16) en modifiant la forme du corps de valvule (12) ou la forme de la valve (14).
CA002305730A 1998-06-24 1999-06-23 Modification de la geometrie d'attache des valves d'une valvule cardiaque de sorte que l'emplacement et l'ampleur de la contrainte maximum appliquee sur les valves soient influences Abandoned CA2305730A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10348298A 1998-06-24 1998-06-24
US09/103482 1998-06-24
PCT/US1999/014189 WO1999066863A2 (fr) 1998-06-24 1999-06-23 Modification de la geometrie d'attache des valves d'une valvule cardiaque de sorte que l'emplacement et l'ampleur de la contrainte maximum appliquee sur les valves soient influences

Publications (1)

Publication Number Publication Date
CA2305730A1 true CA2305730A1 (fr) 1999-12-29

Family

ID=22295429

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002305730A Abandoned CA2305730A1 (fr) 1998-06-24 1999-06-23 Modification de la geometrie d'attache des valves d'une valvule cardiaque de sorte que l'emplacement et l'ampleur de la contrainte maximum appliquee sur les valves soient influences

Country Status (5)

Country Link
US (1) US6613086B1 (fr)
EP (1) EP1089676A2 (fr)
JP (1) JP2002518131A (fr)
CA (1) CA2305730A1 (fr)
WO (1) WO1999066863A2 (fr)

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Also Published As

Publication number Publication date
WO1999066863A9 (fr) 2001-06-28
JP2002518131A (ja) 2002-06-25
WO1999066863A3 (fr) 2000-02-10
WO1999066863A2 (fr) 1999-12-29
US6613086B1 (en) 2003-09-02
EP1089676A2 (fr) 2001-04-11

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